CA1305791C - Method for manufacturing a magnetic recording disk - Google Patents
Method for manufacturing a magnetic recording diskInfo
- Publication number
- CA1305791C CA1305791C CA000561595A CA561595A CA1305791C CA 1305791 C CA1305791 C CA 1305791C CA 000561595 A CA000561595 A CA 000561595A CA 561595 A CA561595 A CA 561595A CA 1305791 C CA1305791 C CA 1305791C
- Authority
- CA
- Canada
- Prior art keywords
- base
- annular portion
- magnetic sheets
- magnetic
- laminate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/053—Stretch
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62066294A JPS63231725A (ja) | 1987-03-20 | 1987-03-20 | 磁気デイスクの製造方法 |
JP066294/87 | 1987-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1305791C true CA1305791C (en) | 1992-07-28 |
Family
ID=13311657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000561595A Expired - Lifetime CA1305791C (en) | 1987-03-20 | 1988-03-16 | Method for manufacturing a magnetic recording disk |
Country Status (7)
Country | Link |
---|---|
US (1) | US4830697A (ko) |
EP (1) | EP0283262B1 (ko) |
JP (1) | JPS63231725A (ko) |
KR (1) | KR880011742A (ko) |
CA (1) | CA1305791C (ko) |
DE (1) | DE3852190T2 (ko) |
MX (1) | MX170001B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0885575A3 (en) * | 1992-06-15 | 2000-08-30 | Herman Miller, Inc. | Adjustable arm rest |
US7625046B2 (en) * | 2002-03-29 | 2009-12-01 | Garrex Llc | Task chair |
US20050046258A1 (en) * | 2003-07-09 | 2005-03-03 | Sanchez Gary L. | Task chair |
US7040703B2 (en) * | 2002-03-29 | 2006-05-09 | Garrex Llc | Health chair a dynamically balanced task chair |
US20040137811A1 (en) * | 2003-01-09 | 2004-07-15 | L & P Property Management Company | Elastomeric seating composite |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2419758A (en) * | 1943-08-12 | 1947-04-29 | Gustave W Borkland | Method and apparatus for coating frangible articles |
US3761333A (en) * | 1971-05-21 | 1973-09-25 | Ibm | Method of and apparatus for manufacturing of a magnetic storage disk |
US3805292A (en) * | 1971-07-23 | 1974-04-16 | Matsushita Electric Ind Co Ltd | Magnetic recording disc using a magnetic sheet held on a stretched flexible sheet |
CA1076764A (en) * | 1974-05-13 | 1980-05-06 | Donald G. Sauer | Extendible porous core rod or pin and process and apparatus for using same |
EP0027031A1 (en) * | 1979-10-09 | 1981-04-15 | P.L.G. Research Limited | Non-planar plastics material article and method of making the same |
US4670072A (en) * | 1982-10-13 | 1987-06-02 | Minnesota Mining And Manufacturing Company | Method of making a stretched surface recording disk |
US4573097A (en) * | 1982-10-13 | 1986-02-25 | Minnesota Mining And Manufacturing Company | Stretched surface recording disk and method of manufacture |
AU3321584A (en) * | 1983-10-27 | 1985-05-02 | Minnesota Mining And Manufacturing Company | Stretched surface disk |
US4631609A (en) * | 1984-02-16 | 1986-12-23 | Minnesota Mining And Manufacturing Company | Stretched surface recording disk substrate |
CA1252206A (en) * | 1984-12-21 | 1989-04-04 | Leslie M. Milner | Stretched surface recording medium |
US4729805A (en) * | 1985-03-14 | 1988-03-08 | Minnesota Mining And Manufacturing Company | Recording medium annealing process |
US4684424A (en) * | 1985-08-15 | 1987-08-04 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for making an optical element having a dielectric film |
-
1987
- 1987-03-20 JP JP62066294A patent/JPS63231725A/ja active Pending
-
1988
- 1988-03-16 CA CA000561595A patent/CA1305791C/en not_active Expired - Lifetime
- 1988-03-16 DE DE3852190T patent/DE3852190T2/de not_active Expired - Fee Related
- 1988-03-16 US US07/169,226 patent/US4830697A/en not_active Expired - Fee Related
- 1988-03-16 EP EP88302292A patent/EP0283262B1/en not_active Expired - Lifetime
- 1988-03-17 MX MX1081388A patent/MX170001B/es unknown
- 1988-03-18 KR KR1019880002861A patent/KR880011742A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE3852190T2 (de) | 1995-04-13 |
EP0283262B1 (en) | 1994-11-30 |
KR880011742A (ko) | 1988-10-31 |
US4830697A (en) | 1989-05-16 |
EP0283262A3 (en) | 1990-04-11 |
DE3852190D1 (de) | 1995-01-12 |
EP0283262A2 (en) | 1988-09-21 |
JPS63231725A (ja) | 1988-09-27 |
MX170001B (es) | 1993-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |